From: Arek Kusztal Date: Thu, 7 May 2020 10:57:02 +0000 (+0200) Subject: cryptodev: add ChaCha20-Poly1305 AEAD algorithm X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=b922dbd38ced;p=dpdk.git cryptodev: add ChaCha20-Poly1305 AEAD algorithm This patch adds Chacha20-Poly1305 AEAD algorithm to Cryptodev. Signed-off-by: Arek Kusztal Acked-by: Fiona Trahe Acked-by: Anoob Joseph Acked-by: Akhil Goyal --- diff --git a/doc/guides/cryptodevs/features/default.ini b/doc/guides/cryptodevs/features/default.ini index fb1ddca71e..133a246eec 100644 --- a/doc/guides/cryptodevs/features/default.ini +++ b/doc/guides/cryptodevs/features/default.ini @@ -96,12 +96,13 @@ SHA3_512 HMAC = ; Supported AEAD algorithms of a default crypto driver. ; [AEAD] -AES GCM (128) = -AES GCM (192) = -AES GCM (256) = -AES CCM (128) = -AES CCM (192) = -AES CCM (256) = +AES GCM (128) = +AES GCM (192) = +AES GCM (256) = +AES CCM (128) = +AES CCM (192) = +AES CCM (256) = +CHACHA20-POLY1305 = ; ; Supported Asymmetric algorithms of a default crypto driver. ; diff --git a/doc/guides/rel_notes/release_20_05.rst b/doc/guides/rel_notes/release_20_05.rst index ba916099f3..0fa39eaddf 100644 --- a/doc/guides/rel_notes/release_20_05.rst +++ b/doc/guides/rel_notes/release_20_05.rst @@ -145,6 +145,10 @@ New Features * Optimized the memory consumption of flow. * Added support for flow aging based on hardware counter. +* **Added Chacha20-Poly1305 algorithm to Cryptodev API.** + + Chacha20-Poly1305 AEAD algorithm can now be supported in Cryptodev. + * **Updated the AESNI MB crypto PMD.** * Added support for intel-ipsec-mb version 0.54. diff --git a/lib/librte_cryptodev/rte_crypto_sym.h b/lib/librte_cryptodev/rte_crypto_sym.h index 9e887c110c..d9585ecd69 100644 --- a/lib/librte_cryptodev/rte_crypto_sym.h +++ b/lib/librte_cryptodev/rte_crypto_sym.h @@ -409,6 +409,8 @@ enum rte_crypto_aead_algorithm { /**< AES algorithm in CCM mode. */ RTE_CRYPTO_AEAD_AES_GCM, /**< AES algorithm in GCM mode. */ + RTE_CRYPTO_AEAD_CHACHA20_POLY1305, + /**< Chacha20 cipher with poly1305 authenticator */ RTE_CRYPTO_AEAD_LIST_END }; @@ -452,6 +454,11 @@ struct rte_crypto_aead_xform { * be allocated, even though the length field will * have a value less than this. * + * - For Chacha20-Poly1305 it is 96-bit nonce. + * PMD sets initial counter for Poly1305 key generation + * part to 0 and for Chacha20 encryption to 1 as per + * rfc8439 2.8. AEAD construction. + * * For optimum performance, the data pointed to SHOULD * be 8-byte aligned. */ @@ -468,6 +475,8 @@ struct rte_crypto_aead_xform { * * - For CCM mode, this is the length of the nonce, * which can be in the range 7 to 13 inclusive. + * + * - For Chacha20-Poly1305 this field is always 12. */ } iv; /**< Initialisation vector parameters */ diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c index f30e3cbff5..2ce606af85 100644 --- a/lib/librte_cryptodev/rte_cryptodev.c +++ b/lib/librte_cryptodev/rte_cryptodev.c @@ -152,6 +152,7 @@ const char * rte_crypto_aead_algorithm_strings[] = { [RTE_CRYPTO_AEAD_AES_CCM] = "aes-ccm", [RTE_CRYPTO_AEAD_AES_GCM] = "aes-gcm", + [RTE_CRYPTO_AEAD_CHACHA20_POLY1305] = "chacha20-poly1305" }; /**